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Finding the Fourth Proportional to 127,874.03, 176,401.31 and 97,606.80

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Solution

The fourth proportional to 127,874.03, 176,401.31 and 97,606.80 is: 134,647.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,874.03 : 176,401.31 = 97,606.80 : x
  2. Step 2: Convert to fraction form
    127,874.03/176,401.31 = 97,606.80/x
  3. Step 3: Cross multiply
    127,874.03x = 176,401.31 × 97,606.80
  4. Step 4: Simplify right side
    127,874.03x = 17,217,966,896.87
  5. Step 5: Solve for x
    x = 17,217,966,896.87/127,874.03
  6. Step 6: Final answer
    x = 134,647.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.